SOLUTION: What is the distance between the points (21, -30) and (3, 8)?
Algebra
->
Test
-> SOLUTION: What is the distance between the points (21, -30) and (3, 8)?
Log On
Test Calculators and Practice
Test
Answers archive
Answers
Word Problems
Word
Lessons
Lessons
Click here to see ALL problems on test
Question 627883
:
What is the distance between the points (21, -30) and (3, 8)?
Answer by
jim_thompson5910(35256)
(
Show Source
):
You can
put this solution on YOUR website!
d = sqrt((x2-x1)^2+(y2-y1)^2)
d = sqrt((3-21)^2+( 8-( -30))^2)
d = sqrt((3-21)^2+( 8-( -30))^2)
d = sqrt((-18)^2+(38)^2)
d = sqrt(324+1444)
d = sqrt(1768)
d = 2*sqrt(442)
So exact distance between the two points is 2*sqrt(442) units.
--------------------------------------------------------------------------------------------------------------
If you need more help, email me at
jim_thompson5910@hotmail.com
Also, please consider visiting my website:
http://www.freewebs.com/jimthompson5910/home.html
and making a donation. Thank you
Jim
--------------------------------------------------------------------------------------------------------------